Apparatus and methods for controlling flow in BWR steam dryers

(19)

(11)

EP 1 341 187 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	05.11.2003 Bulletin 2003/45

(43)	Date of publication A2:
	03.09.2003 Bulletin 2003/36

(21)	Application number: 03250877.2

(22)	Date of filing: 13.02.2003

(51)	International Patent Classification (IPC)⁷: G21C 15/16

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT SE SI SK TR
	Designated Extension States:
	AL LT LV MK RO

(30)

Priority:

14.02.2002 US 683790

(71)	Applicant: General Electric Company
	Schenectady, NY 12345 (US)

(72)	Inventors:
	Lazarus, Jonathan D. Sunnyvale, California 94087 (US) Nelson, Alfred S. San José, California 95136 (US) Lynch, John Gilroy, California 95020 (US)

(74)	Representative: Goode, Ian Roy et al
	GE London Patent Operation, Essex House, 12/13 Essex Street London WC2R 3AA London WC2R 3AA (GB)

(54)	Apparatus and methods for controlling flow in BWR steam dryers

(57) A flow control apparatus (70) for a boiling water nuclear reactor steam dryer is provided. The steam dryer includes at least one discharge plenum. In an exemplary embodiment, the flow control apparatus includes, within the plenum, a support member (78), an elongate perforated plate (76) member coupled to the support member, and at least one positioning member (80) coupled to the support member.

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